Oral Pathology: Mucous Membrane Lesions

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Pagina The neoplasm develops as a small, firm, raised nodule which is covered by
normal mucosa. lt attains full size in four to eight weeks at which time a raised
dome-shaped tumor with a rolled peripheral border and a crateriform center is
present.

Pagina Hemangioma The hemangioma is a neoplasm that consists of a proliferation of
vascular structures. When this condition involves small vascular channels, it is
known as a capillary hemangioma, whereas those consisting of large sinusoids
are ...

Pagina The lesion is a congenital or acquired benign neoplasm which appears gray or
light brown to blue or black. Most of the intraoral nevi are raised; however, 20%
are flat macular lesions. The tumor appears to arise from the neural crest.